Out of the 136 existing four digit pairs find at least one pair for each of the following requirements (a to f):

a. a reversible prime pair

b. the two primes contain 8 different digits

c. twin primes

d. both primes contain a permutation of 4 consecutive digits

e. first member of the pair contains the 4 prime digits in order

f. each prime contains 3 digits the same

Source: Charles W. Trigg, JRM 22:2, 1990, p 95-97

Bonus:

**Find a 50 digit DCPP, satisfying a).**